diff options
Diffstat (limited to 'include/linux/via_i2c.h')
| -rw-r--r-- | include/linux/via_i2c.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/include/linux/via_i2c.h b/include/linux/via_i2c.h new file mode 100644 index 000000000..cdcb43177 --- /dev/null +++ b/include/linux/via_i2c.h @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright 1998-2009 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + */ +#ifndef __VIA_I2C_H__ +#define __VIA_I2C_H__ + +#include <linux/i2c.h> +#include <linux/i2c-algo-bit.h> + +struct via_i2c_stuff { + u16 i2c_port; /* GPIO or I2C port */ + u16 is_active; /* Being used as I2C? */ + struct i2c_adapter adapter; + struct i2c_algo_bit_data algo; +}; + + +int viafb_i2c_readbyte(u8 adap, u8 slave_addr, u8 index, u8 *pdata); +int viafb_i2c_writebyte(u8 adap, u8 slave_addr, u8 index, u8 data); +int viafb_i2c_readbytes(u8 adap, u8 slave_addr, u8 index, u8 *buff, int buff_len); +struct i2c_adapter *viafb_find_i2c_adapter(enum viafb_i2c_adap which); + +extern int viafb_i2c_init(void); +extern void viafb_i2c_exit(void); +#endif /* __VIA_I2C_H__ */ |